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Int 16 Fn 4502 - Shamrock Software EMail - Get Current Communications Pa [e]
AX = 4502h
DL = port number (01h = COM1)
Return: AX = 4D00h if EMAIL installed on specified port
BL = current value of serial port's Line Control Register
BH = flags
bit 0: ISO code
bit 1: pause
bit 2: linefeed
bit 3: ANSI sequences
CX = selected country code (33 = France, 49 = Germany, etc)
DX = baudrate divisor (115200/DX = baudrate)
See Also: AX=4500h
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